Key West Water Temperature

Key West is a beautiful sandy island on the straits of Florida. Around 90km from Cuba, it is a very popular tourist destination for those seeking some relaxation and pleasure in the sun.

It is also an historic cultural hotspot, with famous authors and playwrights such as Tennessee Williams and Ernest Hemingway known to have lived there.

January

February

March

April

May

June

July

August

September

October

November

December

Water Temperature (°F)

69

70

75

78

82

85

87

87

86

82

76

72

Key West is characterised by its warm waters. In the recommended visiting period, which runs from March until May, the water temperature typically falls between 75 and 82 degrees.

The water temperature at Key West is warmest in July and August, when it reaches around 87 degrees, however this is also the time of the hurricane season. Swimmers who want clear skies and warm waters should aim to visit between March and May, then. But swimmers who are happy to brave the rain for even warmer waters could consider visiting in June, July, or August.

Climate for Key West

Average high °F

Average low °F

Daily mean °F

Avg. Rainy days

Avg. Sunny hours

January

74,8

64,9

70

4,5

8,1

February

75,4

65,7

70,5

4,8

8,8

March

78,6

69,1

73,8

3,8

10

April

81,7

72,1

77

2,8

10,8

May

85,1

76,1

80,6

5,8

11

June

87,6

78,4

83,1

9,4

10,5

July

89,1

79,5

84,4

8,3

10,5

August

89,2

79,3

84,4

11,1

9,9

September

88

78,4

83,3

12,1

9

October

84,4

75,6

80,1

8,3

8,2

November

80,1

71,2

75,6

4,9

7,7

December

76,1

66,7

71,4

4,5

7,6

14 Days Weather Forecast for Key West

Best time to visit Key West

Key West is a popular tourist destination, and there are several factors to keep in mind when deciding which time to visit. This region tends to be very popular the Christmas holidays, whilst the hurricane season falls between June and November.

Thus, one of the best times to visit Key West is between March and May, as the area will be quieter and less expensive, and the temperature will be a delightfully warm 70 or 80 degrees. Key West has its own airport, with connecting flights from major airports such as Florida and the Bahamas, making it easily reachable by plane.

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